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This reverts commit 0a7fb6f07e3ad497d31ae9a2082d2cacab43d54a.
The "skipping duplicate warnings" warning is technically not an actual
warning, which can cause confusion. This feature isn't all that useful
anyway. It's exceedingly rare for a function to have more than one
unrelated warning.
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/e5abe5e858acf1a9207a5dfa0f37d17ac9dca872.1743481539.git.jpoimboe@kernel.org
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Append with "()" to clarify it's a function.
Before:
vmlinux.o: warning: objtool: cdns_mrvl_xspi_setup_clock: unexpected end of section .text.cdns_mrvl_xspi_setup_clock
After:
vmlinux.o: warning: objtool: cdns_mrvl_xspi_setup_clock(): unexpected end of section .text.cdns_mrvl_xspi_setup_clock
Fixes: c5995abe1547 ("objtool: Improve error handling")
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/692e1e0d0b15a71bd35c6b4b87f3c75cd5a57358.1743481539.git.jpoimboe@kernel.org
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When KCOV or GCOV is enabled, dead code can be left behind, in which
case objtool silences unreachable and undefined behavior (fallthrough)
warnings.
Fallthrough warnings, and their variant "end of section" warnings, were
silenced with the following commit:
6b023c784204 ("objtool: Silence more KCOV warnings")
Another variant of a fallthrough warning is a jump to the end of a
function. If that function happens to be at the end of a section, the
jump destination doesn't actually exist.
Normally that would be a fatal objtool error, but for KCOV/GCOV it's
just another undefined behavior fallthrough. Silence it like the
others.
Fixes the following warning:
drivers/iommu/dma-iommu.o: warning: objtool: iommu_dma_sw_msi+0x92: can't find jump dest instruction at .text+0x54d5
Fixes: 6b023c784204 ("objtool: Silence more KCOV warnings")
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/r/08fbe7d7e1e20612206f1df253077b94f178d93e.1743481539.git.jpoimboe@kernel.org
Closes: https://lore.kernel.org/314f8809-cd59-479b-97d7-49356bf1c8d1@infradead.org/
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Vector registers are zero initialized by the kernel. Stop accepting
"all ones" as a clean value.
Note that this was not working as expected given that
value == 0xff
can be assumed to be always false by the compiler as value's range is
[-128, 127]. Both GCC (-Wtype-limits) and clang
(-Wtautological-constant-out-of-range-compare) warn about this.
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Tested-by: Charlie Jenkins <charlie@rivosinc.com>
Signed-off-by: Ignacio Encinas <ignacio@iencinas.com>
Link: https://lore.kernel.org/r/20250306-fix-v_exec_initval_nolibc-v2-1-97f9dc8a7faf@iencinas.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
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A new binary is now generated by the MPTCP selftests: mptcp_diag.
Like the other binaries from this directory, there is no need to track
this in Git, it should then be ignored.
Fixes: 00f5e338cf7e ("selftests: mptcp: Add a tool to get specific msk_info")
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250328-net-mptcp-misc-fixes-6-15-v1-4-34161a482a7f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The file descriptor 'fd_in' is opened when cfg_input is configured, but
not closed in main_loop(), this patch fixes it.
Fixes: 05be5e273c84 ("selftests: mptcp: add disconnect tests")
Cc: stable@vger.kernel.org
Co-developed-by: Cong Liu <liucong2@kylinos.cn>
Signed-off-by: Cong Liu <liucong2@kylinos.cn>
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250328-net-mptcp-misc-fixes-6-15-v1-3-34161a482a7f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix a bug where the code was checking the wrong file descriptors
when opening the input files. The code was checking 'fd' instead
of 'fd_in', which could lead to incorrect error handling.
Fixes: 05be5e273c84 ("selftests: mptcp: add disconnect tests")
Cc: stable@vger.kernel.org
Fixes: ca7ae8916043 ("selftests: mptcp: mptfo Initiator/Listener")
Co-developed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Cong Liu <liucong2@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250328-net-mptcp-misc-fixes-6-15-v1-2-34161a482a7f@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Now that net and net-next have converged we can use the Path
helpers in the ping test without conflicts.
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250327222315.1098596-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 29b036be1b0b ("selftests: drv-net: test XDP, HDS auto and
the ioctl path") added an sample XDP_PASS prog in net/lib, so
that we can reuse it in various sub-directories. Delete the old
sample and use the one from the lib in existing tests.
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250327222315.1098596-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The single letter + "path" helpers do not have many fans (see Link).
Use a Path object with a better name. test_dir is the replacement
for rpath(), net_lib_dir is a new path of the $ksft/net/lib directory.
The Path() class overloads the "/" operator and can be cast to string
automatically, so to get a path to a file tests can do:
path = env.test_dir / "binary"
Link: https://lore.kernel.org/CA+FuTSemTNVZ5MxXkq8T9P=DYm=nSXcJnL7CJBPZNAT_9UFisQ@mail.gmail.com
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250327222315.1098596-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools updates from Namhyung Kim:
"perf record:
- Introduce latency profiling using scheduler information.
The latency profiling is to show impacts on wall-time rather than
cpu-time. By tracking context switches, it can weight samples and
find which part of the code contributed more to the execution
latency.
The value (period) of the sample is weighted by dividing it by the
number of parallel execution at the moment. The parallelism is
tracked in perf report with sched-switch records. This will reduce
the portion that are run in parallel and in turn increase the
portion of serial executions.
For now, it's limited to profile processes, IOW system-wide
profiling is not supported. You can add --latency option to enable
this.
$ perf record --latency -- make -C tools/perf
I've run the above command for perf build which adds -j option to
make with the number of CPUs in the system internally. Normally
it'd show something like below:
$ perf report -F overhead,comm
...
#
# Overhead Command
# ........ ...............
#
78.97% cc1
6.54% python3
4.21% shellcheck
3.28% ld
1.80% as
1.37% cc1plus
0.80% sh
0.62% clang
0.56% gcc
0.44% perl
0.39% make
...
The cc1 takes around 80% of the overhead as it's the actual
compiler. However it runs in parallel so its contribution to
latency may be less than that. Now, perf report will show both
overhead and latency (if --latency was given at record time) like
below:
$ perf report -s comm
...
#
# Overhead Latency Command
# ........ ........ ...............
#
78.97% 48.66% cc1
6.54% 25.68% python3
4.21% 0.39% shellcheck
3.28% 13.70% ld
1.80% 2.56% as
1.37% 3.08% cc1plus
0.80% 0.98% sh
0.62% 0.61% clang
0.56% 0.33% gcc
0.44% 1.71% perl
0.39% 0.83% make
...
You can see latency of cc1 goes down to around 50% and python3 and
ld contribute a lot more than their overhead. You can use --latency
option in perf report to get the same result but ordered by
latency.
$ perf report --latency -s comm
perf report:
- As a side effect of the latency profiling work, it adds a new
output field 'latency' and a sort key 'parallelism'. The below is a
result from my system with 64 CPUs. The build was well-parallelized
but contained some serial portions.
$ perf report -s parallelism
...
#
# Overhead Latency Parallelism
# ........ ........ ...........
#
16.95% 1.54% 62
13.38% 1.24% 61
12.50% 70.47% 1
11.81% 1.06% 63
7.59% 0.71% 60
4.33% 12.20% 2
3.41% 0.33% 59
2.05% 0.18% 64
1.75% 1.09% 9
1.64% 1.85% 5
...
- Support Feodra mini-debuginfo which is a LZMA compressed symbol
table inside ".gnu_debugdata" ELF section.
perf annotate:
- Add --code-with-type option to enable data-type profiling with the
usual annotate output.
Instead of focusing on data structure, it shows code annotation
together with data type it accesses in case the instruction refers
to a memory location (and it was able to resolve the target data
type). Currently it only works with --stdio.
$ perf annotate --stdio --code-with-type
...
Percent | Source code & Disassembly of vmlinux for cpu/mem-loads,ldlat=30/pp (18 samples, percent: local period)
----------------------------------------------------------------------------------------------------------------------
: 0 0xffffffff81050610 <__fdget>:
0.00 : ffffffff81050610: callq 0xffffffff81c01b80 <__fentry__> # data-type: (stack operation)
0.00 : ffffffff81050615: pushq %rbp # data-type: (stack operation)
0.00 : ffffffff81050616: movq %rsp, %rbp
0.00 : ffffffff81050619: pushq %r15 # data-type: (stack operation)
0.00 : ffffffff8105061b: pushq %r14 # data-type: (stack operation)
0.00 : ffffffff8105061d: pushq %rbx # data-type: (stack operation)
0.00 : ffffffff8105061e: subq $0x10, %rsp
0.00 : ffffffff81050622: movl %edi, %ebx
0.00 : ffffffff81050624: movq %gs:0x7efc4814(%rip), %rax # 0x14e40 <current_task> # data-type: struct task_struct* +0
0.00 : ffffffff8105062c: movq 0x8d0(%rax), %r14 # data-type: struct task_struct +0x8d0 (files)
0.00 : ffffffff81050633: movl (%r14), %eax # data-type: struct files_struct +0 (count.counter)
0.00 : ffffffff81050636: cmpl $0x1, %eax
0.00 : ffffffff81050639: je 0xffffffff810506a9 <__fdget+0x99>
0.00 : ffffffff8105063b: movq 0x20(%r14), %rcx # data-type: struct files_struct +0x20 (fdt)
0.00 : ffffffff8105063f: movl (%rcx), %eax # data-type: struct fdtable +0 (max_fds)
0.00 : ffffffff81050641: cmpl %ebx, %eax
0.00 : ffffffff81050643: jbe 0xffffffff810506ef <__fdget+0xdf>
0.00 : ffffffff81050649: movl %ebx, %r15d
5.56 : ffffffff8105064c: movq 0x8(%rcx), %rdx # data-type: struct fdtable +0x8 (fd)
...
The "# data-type:" part was added with this change. The first few
entries are not very interesting. But later you can it accesses a
couple of fields in the task_struct, files_struct and fdtable.
perf trace:
- Support syscall tracing for different ABI. For example it can trace
system calls for 32-bit applications on 64-bit kernel
transparently.
- Add --summary-mode=total option to show global syscall summary. The
default is 'thread' to show per-thread syscall summary.
Python support:
- Add more interfaces to 'perf' module to parse events, and config,
enable or disable the event list properly so that it can implement
basic functionalities purely in Python. There is an example code
for these new interfaces in python/tracepoint.py.
- Add mypy and pylint support to enable build time checking. Fix some
code based on the findings from these tools.
Internals:
- Introduce io_dir__readdir() API to make directory traveral (usually
for proc or sysfs) efficient with less memory footprint.
JSON vendor events:
- Add events and metrics for ARM Neoverse N3 and V3
- Update events and metrics on various Intel CPUs
- Add/update events for a number of SiFive processors"
* tag 'perf-tools-for-v6.15-2025-03-27' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (229 commits)
perf bpf-filter: Fix a parsing error with comma
perf report: Fix a memory leak for perf_env on AMD
perf trace: Fix wrong size to bpf_map__update_elem call
perf tools: annotate asm_pure_loop.S
perf python: Fix setup.py mypy errors
perf test: Address attr.py mypy error
perf build: Add pylint build tests
perf build: Add mypy build tests
perf build: Rename TEST_LOGS to SHELL_TEST_LOGS
tools/build: Don't pass test log files to linker
perf bench sched pipe: fix enforced blocking reads in worker_thread
perf tools: Fix is_compat_mode build break in ppc64
perf build: filter all combinations of -flto for libperl
perf vendor events arm64 AmpereOneX: Fix frontend_bound calculation
perf vendor events arm64: AmpereOne/AmpereOneX: Mark LD_RETIRED impacted by errata
perf trace: Fix evlist memory leak
perf trace: Fix BTF memory leak
perf trace: Make syscall table stable
perf syscalltbl: Mask off ABI type for MIPS system calls
perf build: Remove Makefile.syscalls
...
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git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf relisient spinlock support from Alexei Starovoitov:
"This patch set introduces Resilient Queued Spin Lock (or rqspinlock
with res_spin_lock() and res_spin_unlock() APIs).
This is a qspinlock variant which recovers the kernel from a stalled
state when the lock acquisition path cannot make forward progress.
This can occur when a lock acquisition attempt enters a deadlock
situation (e.g. AA, or ABBA), or more generally, when the owner of the
lock (which we’re trying to acquire) isn’t making forward progress.
Deadlock detection is the main mechanism used to provide instant
recovery, with the timeout mechanism acting as a final line of
defense. Detection is triggered immediately when beginning the waiting
loop of a lock slow path.
Additionally, BPF programs attached to different parts of the kernel
can introduce new control flow into the kernel, which increases the
likelihood of deadlocks in code not written to handle reentrancy.
There have been multiple syzbot reports surfacing deadlocks in
internal kernel code due to the diverse ways in which BPF programs can
be attached to different parts of the kernel. By switching the BPF
subsystem’s lock usage to rqspinlock, all of these issues are
mitigated at runtime.
This spin lock implementation allows BPF maps to become safer and
remove mechanisms that have fallen short in assuring safety when
nesting programs in arbitrary ways in the same context or across
different contexts.
We run benchmarks that stress locking scalability and perform
comparison against the baseline (qspinlock). For the rqspinlock case,
we replace the default qspinlock with it in the kernel, such that all
spin locks in the kernel use the rqspinlock slow path. As such,
benchmarks that stress kernel spin locks end up exercising rqspinlock.
More details in the cover letter in commit 6ffb9017e932 ("Merge branch
'resilient-queued-spin-lock'")"
* tag 'bpf_res_spin_lock' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (24 commits)
selftests/bpf: Add tests for rqspinlock
bpf: Maintain FIFO property for rqspinlock unlock
bpf: Implement verifier support for rqspinlock
bpf: Introduce rqspinlock kfuncs
bpf: Convert lpm_trie.c to rqspinlock
bpf: Convert percpu_freelist.c to rqspinlock
bpf: Convert hashtab.c to rqspinlock
rqspinlock: Add locktorture support
rqspinlock: Add entry to Makefile, MAINTAINERS
rqspinlock: Add macros for rqspinlock usage
rqspinlock: Add basic support for CONFIG_PARAVIRT
rqspinlock: Add a test-and-set fallback
rqspinlock: Add deadlock detection and recovery
rqspinlock: Protect waiters in trylock fallback from stalls
rqspinlock: Protect waiters in queue from stalls
rqspinlock: Protect pending bit owners from stalls
rqspinlock: Hardcode cond_acquire loops for arm64
rqspinlock: Add support for timeouts
rqspinlock: Drop PV and virtualization support
rqspinlock: Add rqspinlock.h header
...
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git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Alexei Starovoitov:
"For this merge window we're splitting BPF pull request into three for
higher visibility: main changes, res_spin_lock, try_alloc_pages.
These are the main BPF changes:
- Add DFA-based live registers analysis to improve verification of
programs with loops (Eduard Zingerman)
- Introduce load_acquire and store_release BPF instructions and add
x86, arm64 JIT support (Peilin Ye)
- Fix loop detection logic in the verifier (Eduard Zingerman)
- Drop unnecesary lock in bpf_map_inc_not_zero() (Eric Dumazet)
- Add kfunc for populating cpumask bits (Emil Tsalapatis)
- Convert various shell based tests to selftests/bpf/test_progs
format (Bastien Curutchet)
- Allow passing referenced kptrs into struct_ops callbacks (Amery
Hung)
- Add a flag to LSM bpf hook to facilitate bpf program signing
(Blaise Boscaccy)
- Track arena arguments in kfuncs (Ihor Solodrai)
- Add copy_remote_vm_str() helper for reading strings from remote VM
and bpf_copy_from_user_task_str() kfunc (Jordan Rome)
- Add support for timed may_goto instruction (Kumar Kartikeya
Dwivedi)
- Allow bpf_get_netns_cookie() int cgroup_skb programs (Mahe Tardy)
- Reduce bpf_cgrp_storage_busy false positives when accessing cgroup
local storage (Martin KaFai Lau)
- Introduce bpf_dynptr_copy() kfunc (Mykyta Yatsenko)
- Allow retrieving BTF data with BTF token (Mykyta Yatsenko)
- Add BPF kfuncs to set and get xattrs with 'security.bpf.' prefix
(Song Liu)
- Reject attaching programs to noreturn functions (Yafang Shao)
- Introduce pre-order traversal of cgroup bpf programs (Yonghong
Song)"
* tag 'bpf-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (186 commits)
selftests/bpf: Add selftests for load-acquire/store-release when register number is invalid
bpf: Fix out-of-bounds read in check_atomic_load/store()
libbpf: Add namespace for errstr making it libbpf_errstr
bpf: Add struct_ops context information to struct bpf_prog_aux
selftests/bpf: Sanitize pointer prior fclose()
selftests/bpf: Migrate test_xdp_vlan.sh into test_progs
selftests/bpf: test_xdp_vlan: Rename BPF sections
bpf: clarify a misleading verifier error message
selftests/bpf: Add selftest for attaching fexit to __noreturn functions
bpf: Reject attaching fexit/fmod_ret to __noreturn functions
bpf: Only fails the busy counter check in bpf_cgrp_storage_get if it creates storage
bpf: Make perf_event_read_output accessible in all program types.
bpftool: Using the right format specifiers
bpftool: Add -Wformat-signedness flag to detect format errors
selftests/bpf: Test freplace from user namespace
libbpf: Pass BPF token from find_prog_btf_id to BPF_BTF_GET_FD_BY_ID
bpf: Return prog btf_id without capable check
bpf: BPF token support for BPF_BTF_GET_FD_BY_ID
bpf, x86: Fix objtool warning for timed may_goto
bpf: Check map->record at the beginning of check_and_free_fields()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull fwctl subsystem from Jason Gunthorpe:
"fwctl is a new subsystem intended to bring some common rules and order
to the growing pattern of exposing a secure FW interface directly to
userspace.
Unlike existing places like RDMA/DRM/VFIO/uacce that are exposing a
device for datapath operations fwctl is focused on debugging,
configuration and provisioning of the device. It will not have the
necessary features like interrupt delivery to support a datapath.
This concept is similar to the long standing practice in the "HW" RAID
space of having a device specific misc device to manage the RAID
controller FW. fwctl generalizes this notion of a companion debug and
management interface that goes along with a dataplane implemented in
an appropriate subsystem.
There have been three LWN articles written discussing various aspects
of this:
https://lwn.net/Articles/955001/
https://lwn.net/Articles/969383/
https://lwn.net/Articles/990802/
This includes three drivers to launch the subsystem:
- CXL provides a vendor scheme for executing commands and a way to
learn the 'command effects' (ie the security properties) of such
commands. The fwctl driver allows access to these mechanism within
the fwctl security model
- mlx5 is family of networking products, the driver supports all
current Mellanox HW still receiving FW feature updates. This
includes RDMA multiprotocol NICs like ConnectX and the Bluefield
family of Smart NICs.
- AMD/Pensando Distributed Services card is a multi protocol Smart
NIC with a multi PCI function design. fwctl works on the management
PCI function following a 'command effects' model similar to CXL"
* tag 'for-linus-fwctl' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (30 commits)
pds_fwctl: add Documentation entries
pds_fwctl: add rpc and query support
pds_fwctl: initial driver framework
pds_core: add new fwctl auxiliary_device
pds_core: specify auxiliary_device to be created
pds_core: make pdsc_auxbus_dev_del() void
cxl: Fixup kdoc issues for include/cxl/features.h
fwctl/cxl: Add documentation to FWCTL CXL
cxl/test: Add Set Feature support to cxl_test
cxl/test: Add Get Feature support to cxl_test
cxl: Add support to handle user feature commands for set feature
cxl: Add support to handle user feature commands for get feature
cxl: Add support for fwctl RPC command to enable CXL feature commands
cxl: Move cxl feature command structs to user header
cxl: Add FWCTL support to CXL
mlx5: Create an auxiliary device for fwctl_mlx5
fwctl/mlx5: Support for communicating with mlx5 fw
fwctl: Add documentation
fwctl: FWCTL_RPC to execute a Remote Procedure Call to device firmware
taint: Add TAINT_FWCTL
...
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Remove legacy compression interface
- Improve scatterwalk API
- Add request chaining to ahash and acomp
- Add virtual address support to ahash and acomp
- Add folio support to acomp
- Remove NULL dst support from acomp
Algorithms:
- Library options are fuly hidden (selected by kernel users only)
- Add Kerberos5 algorithms
- Add VAES-based ctr(aes) on x86
- Ensure LZO respects output buffer length on compression
- Remove obsolete SIMD fallback code path from arm/ghash-ce
Drivers:
- Add support for PCI device 0x1134 in ccp
- Add support for rk3588's standalone TRNG in rockchip
- Add Inside Secure SafeXcel EIP-93 crypto engine support in eip93
- Fix bugs in tegra uncovered by multi-threaded self-test
- Fix corner cases in hisilicon/sec2
Others:
- Add SG_MITER_LOCAL to sg miter
- Convert ubifs, hibernate and xfrm_ipcomp from legacy API to acomp"
* tag 'v6.15-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (187 commits)
crypto: testmgr - Add multibuffer acomp testing
crypto: acomp - Fix synchronous acomp chaining fallback
crypto: testmgr - Add multibuffer hash testing
crypto: hash - Fix synchronous ahash chaining fallback
crypto: arm/ghash-ce - Remove SIMD fallback code path
crypto: essiv - Replace memcpy() + NUL-termination with strscpy()
crypto: api - Call crypto_alg_put in crypto_unregister_alg
crypto: scompress - Fix incorrect stream freeing
crypto: lib/chacha - remove unused arch-specific init support
crypto: remove obsolete 'comp' compression API
crypto: compress_null - drop obsolete 'comp' implementation
crypto: cavium/zip - drop obsolete 'comp' implementation
crypto: zstd - drop obsolete 'comp' implementation
crypto: lzo - drop obsolete 'comp' implementation
crypto: lzo-rle - drop obsolete 'comp' implementation
crypto: lz4hc - drop obsolete 'comp' implementation
crypto: lz4 - drop obsolete 'comp' implementation
crypto: deflate - drop obsolete 'comp' implementation
crypto: 842 - drop obsolete 'comp' implementation
crypto: nx - Migrate to scomp API
...
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|
Matching the ublk driver, change the type of io_cmd_buf from char * to
struct ublksrv_io_desc *.
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20250328194230.2726862-3-csander@purestorage.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Enable Configuration RRS SV, which makes device readiness visible,
early instead of during child bus scanning (Bjorn Helgaas)
- Log debug messages about reset methods being used (Bjorn Helgaas)
- Avoid reset when it has been disabled via sysfs (Nishanth
Aravamudan)
- Add common pci-ep-bus.yaml schema for exporting several peripherals
of a single PCI function via devicetree (Andrea della Porta)
- Create DT nodes for PCI host bridges to enable loading device tree
overlays to create platform devices for PCI devices that have
several features that require multiple drivers (Herve Codina)
Resource management:
- Enlarge devres table[] to accommodate bridge windows, ROM, IOV
BARs, etc., and validate BAR index in devres interfaces (Philipp
Stanner)
- Fix typo that repeatedly distributed resources to a bridge instead
of iterating over subordinate bridges, which resulted in too little
space to assign some BARs (Kai-Heng Feng)
- Relax bridge window tail sizing for optional resources, e.g., IOV
BARs, to avoid failures when removing and re-adding devices (Ilpo
Järvinen)
- Allow drivers to enable devices even if we haven't assigned
optional IOV resources to them (Ilpo Järvinen)
- Rework handling of optional resources (IOV BARs, ROMs) to reduce
failures if we can't allocate them (Ilpo Järvinen)
- Fix a NULL dereference in the SR-IOV VF creation error path (Shay
Drory)
- Fix s390 mmio_read/write syscalls, which didn't cause page faults
in some cases, which broke vfio-pci lazy mapping on first access
(Niklas Schnelle)
- Add pdev->non_mappable_bars to replace CONFIG_VFIO_PCI_MMAP, which
was disabled only for s390 (Niklas Schnelle)
- Support mmap of PCI resources on s390 except for ISM devices
(Niklas Schnelle)
ASPM:
- Delay pcie_link_state deallocation to avoid dangling pointers that
cause invalid references during hot-unplug (Daniel Stodden)
Power management:
- Allow PCI bridges to go to D3Hot when suspending on all non-x86
systems (Manivannan Sadhasivam)
Power control:
- Create pwrctrl devices in pci_scan_device() to make it more
symmetric with pci_pwrctrl_unregister() and make pwrctrl devices
for PCI bridges possible (Manivannan Sadhasivam)
- Unregister pwrctrl devices in pci_destroy_dev() so DOE, ASPM, etc.
can still access devices after pci_stop_dev() (Manivannan
Sadhasivam)
- If there's a pwrctrl device for a PCI device, skip scanning it
because the pwrctrl core will rescan the bus after the device is
powered on (Manivannan Sadhasivam)
- Add a pwrctrl driver for PCI slots based on voltage regulators
described via devicetree (Manivannan Sadhasivam)
Bandwidth control:
- Add set_pcie_speed.sh to TEST_PROGS to fix issue when executing the
set_pcie_cooling_state.sh test case (Yi Lai)
- Avoid a NULL pointer dereference when we run out of bus numbers to
assign for a bridge secondary bus (Lukas Wunner)
Hotplug:
- Drop superfluous pci_hotplug_slot_list, try_module_get() calls, and
NULL pointer checks (Lukas Wunner)
- Drop shpchp module init/exit logging, replace shpchp dbg() with
ctrl_dbg(), and remove unused dbg(), err(), info(), warn() wrappers
(Ilpo Järvinen)
- Drop 'shpchp_debug' module parameter in favor of standard dynamic
debugging (Ilpo Järvinen)
- Drop unused cpcihp .get_power(), .set_power() function pointers
(Guilherme Giacomo Simoes)
- Disable hotplug interrupts in portdrv only when pciehp is not
enabled to avoid issuing two hotplug commands too close together
(Feng Tang)
- Skip pciehp 'device replaced' check if the device has been removed
to address a deadlock when resuming after a device was removed
during system sleep (Lukas Wunner)
- Don't enable pciehp hotplug interupt when resuming in poll mode
(Ilpo Järvinen)
Virtualization:
- Fix bugs in 'pci=config_acs=' kernel command line parameter (Tushar
Dave)
DOE:
- Expose supported DOE features via sysfs (Alistair Francis)
- Allow DOE support to be enabled even if CXL isn't enabled (Alistair
Francis)
Endpoint framework:
- Convert PCI device data so pci-epf-test works correctly on
big-endian endpoint systems (Niklas Cassel)
- Add BAR_RESIZABLE type to endpoint framework and add DWC core
support for EPF drivers to set BAR_RESIZABLE type and size (Niklas
Cassel)
- Fix pci-epf-test double free that causes an oops if the host
reboots and PERST# deassertion restarts endpoint BAR allocation
(Christian Bruel)
- Fix endpoint BAR testing so tests can skip disabled BARs instead of
reporting them as failures (Niklas Cassel)
- Widen endpoint test BAR size variable to accommodate BARs larger
than INT_MAX (Niklas Cassel)
- Remove unused tools 'pci' build target left over after moving tests
to tools/testing/selftests/pci_endpoint (Jianfeng Liu)
Altera PCIe controller driver:
- Add DT binding and driver support for Agilex family (P-Tile,
F-Tile, R-Tile) (Matthew Gerlach and D M, Sharath Kumar)
AMD MDB PCIe controller driver:
- Add DT binding and driver for AMD MDB (Multimedia DMA Bridge)
(Thippeswamy Havalige)
Broadcom STB PCIe controller driver:
- Add BCM2712 MSI-X DT binding and interrupt controller drivers and
add softdep on irq_bcm2712_mip driver to ensure that it is loaded
first (Stanimir Varbanov)
- Expand inbound window map to 64GB so it can accommodate BCM2712
(Stanimir Varbanov)
- Add BCM2712 support and DT updates (Stanimir Varbanov)
- Apply link speed restriction before bringing link up, not after
(Jim Quinlan)
- Update Max Link Speed in Link Capabilities via the internal
writable register, not the read-only config register (Jim Quinlan)
- Handle regulator_bulk_get() error to avoid panic when we call
regulator_bulk_free() later (Jim Quinlan)
- Disable regulators only when removing the bus immediately below a
Root Port because we don't support regulators deeper in the
hierarchy (Jim Quinlan)
- Make const read-only arrays static (Colin Ian King)
Cadence PCIe endpoint driver:
- Correct MSG TLP generation so endpoints can generate INTx messages
(Hans Zhang)
Freescale i.MX6 PCIe controller driver:
- Identify the second controller on i.MX8MQ based on devicetree
'linux,pci-domain' instead of DBI 'reg' address (Richard Zhu)
- Remove imx_pcie_cpu_addr_fixup() since dwc core can now derive the
ATU input address (using parent_bus_offset) from devicetree (Frank
Li)
Freescale Layerscape PCIe controller driver:
- Drop deprecated 'num-ib-windows' and 'num-ob-windows' and
unnecessary 'status' from example (Krzysztof Kozlowski)
- Correct the syscon_regmap_lookup_by_phandle_args("fsl,pcie-scfg")
arg_count to fix probe failure on LS1043A (Ioana Ciornei)
HiSilicon STB PCIe controller driver:
- Call phy_exit() to clean up if histb_pcie_probe() fails (Christophe
JAILLET)
Intel Gateway PCIe controller driver:
- Remove intel_pcie_cpu_addr() since dwc core can now derive the ATU
input address (using parent_bus_offset) from devicetree (Frank Li)
Intel VMD host bridge driver:
- Convert vmd_dev.cfg_lock from spinlock_t to raw_spinlock_t so
pci_ops.read() will never sleep, even on PREEMPT_RT where
spinlock_t becomes a sleepable lock, to avoid calling a sleeping
function from invalid context (Ryo Takakura)
MediaTek PCIe Gen3 controller driver:
- Remove leftover mac_reset assert for Airoha EN7581 SoC (Lorenzo
Bianconi)
- Add EN7581 PBUS controller 'mediatek,pbus-csr' DT property and
program host bridge memory aperture to this syscon node (Lorenzo
Bianconi)
Qualcomm PCIe controller driver:
- Add qcom,pcie-ipq5332 binding (Varadarajan Narayanan)
- Add qcom i.MX8QM and i.MX8QXP/DXP optional DMA interrupt (Alexander
Stein)
- Add optional dma-coherent DT property for Qualcomm SA8775P (Dmitry
Baryshkov)
- Make DT iommu property required for SA8775P and prohibited for
SDX55 (Dmitry Baryshkov)
- Add DT IOMMU and DMA-related properties for Qualcomm SM8450 (Dmitry
Baryshkov)
- Add endpoint DT properties for SAR2130P and enable endpoint mode in
driver (Dmitry Baryshkov)
- Describe endpoint BAR0 and BAR2 as 64-bit only and BAR1 and BAR3 as
RESERVED (Manivannan Sadhasivam)
Rockchip DesignWare PCIe controller driver:
- Describe rk3568 and rk3588 BARs as Resizable, not Fixed (Niklas
Cassel)
Synopsys DesignWare PCIe controller driver:
- Add debugfs-based Silicon Debug, Error Injection, Statistical
Counter support for DWC (Shradha Todi)
- Add debugfs property to expose LTSSM status of DWC PCIe link (Hans
Zhang)
- Add Rockchip support for DWC debugfs features (Niklas Cassel)
- Add dw_pcie_parent_bus_offset() to look up the parent bus address
of a specified 'reg' property and return the offset from the CPU
physical address (Frank Li)
- Use dw_pcie_parent_bus_offset() to derive CPU -> ATU addr offset
via 'reg[config]' for host controllers and 'reg[addr_space]' for
endpoint controllers (Frank Li)
- Apply struct dw_pcie.parent_bus_offset in ATU users to remove use
of .cpu_addr_fixup() when programming ATU (Frank Li)
TI J721E PCIe driver:
- Correct the 'link down' interrupt bit for J784S4 (Siddharth
Vadapalli)
TI Keystone PCIe controller driver:
- Describe AM65x BARs 2 and 5 as Resizable (not Fixed) and reduce
alignment requirement from 1MB to 64KB (Niklas Cassel)
Xilinx Versal CPM PCIe controller driver:
- Free IRQ domain in probe error path to avoid leaking it
(Thippeswamy Havalige)
- Add DT .compatible "xlnx,versal-cpm5nc-host" and driver support for
Versal Net CPM5NC Root Port controller (Thippeswamy Havalige)
- Add driver support for CPM5_HOST1 (Thippeswamy Havalige)
Miscellaneous:
- Convert fsl,mpc83xx-pcie binding to YAML (J. Neuschäfer)
- Use for_each_available_child_of_node_scoped() to simplify apple,
kirin, mediatek, mt7621, tegra drivers (Zhang Zekun)"
* tag 'pci-v6.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (197 commits)
PCI: layerscape: Fix arg_count to syscon_regmap_lookup_by_phandle_args()
PCI: j721e: Fix the value of .linkdown_irq_regfield for J784S4
misc: pci_endpoint_test: Add support for PCITEST_IRQ_TYPE_AUTO
PCI: endpoint: pci-epf-test: Expose supported IRQ types in CAPS register
PCI: dw-rockchip: Endpoint mode cannot raise INTx interrupts
PCI: endpoint: Add intx_capable to epc_features struct
dt-bindings: PCI: Add common schema for devices accessible through PCI BARs
PCI: intel-gw: Remove intel_pcie_cpu_addr()
PCI: imx6: Remove imx_pcie_cpu_addr_fixup()
PCI: dwc: Use parent_bus_offset to remove need for .cpu_addr_fixup()
PCI: dwc: ep: Ensure proper iteration over outbound map windows
PCI: dwc: ep: Use devicetree 'reg[addr_space]' to derive CPU -> ATU addr offset
PCI: dwc: ep: Consolidate devicetree handling in dw_pcie_ep_get_resources()
PCI: dwc: ep: Call epc_create() early in dw_pcie_ep_init()
PCI: dwc: Use devicetree 'reg[config]' to derive CPU -> ATU addr offset
PCI: dwc: Add dw_pcie_parent_bus_offset() checking and debug
PCI: dwc: Add dw_pcie_parent_bus_offset()
PCI/bwctrl: Fix NULL pointer dereference on bus number exhaustion
PCI: xilinx-cpm: Add cpm_csr register mapping for CPM5_HOST1 variant
PCI: brcmstb: Make const read-only arrays static
...
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ublk zero copy usually requires to set dma and segment parameter correctly,
so hard-code null target's dma & segment parameter in non-default value,
and verify if they are setup correctly by ublk driver.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250327095123.179113-12-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add test test_generic_02.sh for covering IO dispatch order in case of MQ.
Especially we just support ->queue_rqs() which may affect IO dispatch
order.
Add test_loop_05.sh and test_stripe_03.sh for covering MQ.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250327095123.179113-11-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Pull io_uring zero-copy receive support from Jens Axboe:
"This adds support for zero-copy receive with io_uring, enabling fast
bulk receive of data directly into application memory, rather than
needing to copy the data out of kernel memory.
While this version only supports host memory as that was the initial
target, other memory types are planned as well, with notably GPU
memory coming next.
This work depends on some networking components which were queued up
on the networking side, but have now landed in your tree.
This is the work of Pavel Begunkov and David Wei. From the v14 posting:
'We configure a page pool that a driver uses to fill a hw rx queue
to hand out user pages instead of kernel pages. Any data that ends
up hitting this hw rx queue will thus be dma'd into userspace
memory directly, without needing to be bounced through kernel
memory. 'Reading' data out of a socket instead becomes a
_notification_ mechanism, where the kernel tells userspace where
the data is. The overall approach is similar to the devmem TCP
proposal
This relies on hw header/data split, flow steering and RSS to
ensure packet headers remain in kernel memory and only desired
flows hit a hw rx queue configured for zero copy. Configuring this
is outside of the scope of this patchset.
We share netdev core infra with devmem TCP. The main difference is
that io_uring is used for the uAPI and the lifetime of all objects
are bound to an io_uring instance. Data is 'read' using a new
io_uring request type. When done, data is returned via a new shared
refill queue. A zero copy page pool refills a hw rx queue from this
refill queue directly. Of course, the lifetime of these data
buffers are managed by io_uring rather than the networking stack,
with different refcounting rules.
This patchset is the first step adding basic zero copy support. We
will extend this iteratively with new features e.g. dynamically
allocated zero copy areas, THP support, dmabuf support, improved
copy fallback, general optimisations and more'
In a local setup, I was able to saturate a 200G link with a single CPU
core, and at netdev conf 0x19 earlier this month, Jamal reported
188Gbit of bandwidth using a single core (no HT, including soft-irq).
Safe to say the efficiency is there, as bigger links would be needed
to find the per-core limit, and it's considerably more efficient and
faster than the existing devmem solution"
* tag 'for-6.15/io_uring-rx-zc-20250325' of git://git.kernel.dk/linux:
io_uring/zcrx: add selftest case for recvzc with read limit
io_uring/zcrx: add a read limit to recvzc requests
io_uring: add missing IORING_MAP_OFF_ZCRX_REGION in io_uring_mmap
io_uring: Rename KConfig to Kconfig
io_uring/zcrx: fix leaks on failed registration
io_uring/zcrx: recheck ifq on shutdown
io_uring/zcrx: add selftest
net: add documentation for io_uring zcrx
io_uring/zcrx: add copy fallback
io_uring/zcrx: throttle receive requests
io_uring/zcrx: set pp memory provider for an rx queue
io_uring/zcrx: add io_recvzc request
io_uring/zcrx: dma-map area for the device
io_uring/zcrx: implement zerocopy receive pp memory provider
io_uring/zcrx: grab a net device
io_uring/zcrx: add io_zcrx_area
io_uring/zcrx: add interface queue and refill queue
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git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock updates from Mickaël Salaün:
"This brings two main changes to Landlock:
- A signal scoping fix with a new interface for user space to know if
it is compatible with the running kernel.
- Audit support to give visibility on why access requests are denied,
including the origin of the security policy, missing access rights,
and description of object(s). This was designed to limit log spam
as much as possible while still alerting about unexpected blocked
access.
With these changes come new and improved documentation, and a lot of
new tests"
* tag 'landlock-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux: (36 commits)
landlock: Add audit documentation
selftests/landlock: Add audit tests for network
selftests/landlock: Add audit tests for filesystem
selftests/landlock: Add audit tests for abstract UNIX socket scoping
selftests/landlock: Add audit tests for ptrace
selftests/landlock: Test audit with restrict flags
selftests/landlock: Add tests for audit flags and domain IDs
selftests/landlock: Extend tests for landlock_restrict_self(2)'s flags
selftests/landlock: Add test for invalid ruleset file descriptor
samples/landlock: Enable users to log sandbox denials
landlock: Add LANDLOCK_RESTRICT_SELF_LOG_SUBDOMAINS_OFF
landlock: Add LANDLOCK_RESTRICT_SELF_LOG_*_EXEC_* flags
landlock: Log scoped denials
landlock: Log TCP bind and connect denials
landlock: Log truncate and IOCTL denials
landlock: Factor out IOCTL hooks
landlock: Log file-related denials
landlock: Log mount-related denials
landlock: Add AUDIT_LANDLOCK_DOMAIN and log domain status
landlock: Add AUDIT_LANDLOCK_ACCESS and log ptrace denials
...
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Check if the pasid has been attached before going further in the detach
path. This fixes a crash found by syzkaller. Add a selftest as well.
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 668 Comm: repro Not tainted 6.14.0-next-20250325-eb4bc4b07f66 #1 PREEMPT(voluntary)
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org4
RIP: 0010:iommufd_hw_pagetable_detach+0x8a/0x4d0
Code: 00 00 00 44 89 ee 48 89 c7 48 89 75 c8 48 89 45 c0 e8 ca 55 17 02 48 89 c2 49 89 c4 48 b8 00 00 00b
RSP: 0018:ffff888021b17b78 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff888014b5a000 RCX: ffff888021b17a64
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88801dad07fc
RBP: ffff888021b17bc8 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000001 R11: ffff88801dad0e58 R12: 0000000000000000
R13: 0000000000000001 R14: ffff888021b17e18 R15: ffff8880132d3008
FS: 00007fca52013600(0000) GS:ffff8880e3684000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200006c0 CR3: 00000000112d0005 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff07f0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
<TASK>
iommufd_device_detach+0x2a/0x2e0
iommufd_test+0x2f99/0x5cd0
iommufd_fops_ioctl+0x38e/0x520
__x64_sys_ioctl+0x1ba/0x220
x64_sys_call+0x122e/0x2150
do_syscall_64+0x6d/0x150
entry_SYSCALL_64_after_hwframe+0x76/0x7e
Link: https://patch.msgid.link/r/20250328133448.22052-1-yi.l.liu@intel.com
Reported-by: Lai Yi <yi1.lai@linux.intel.com>
Closes: https://lore.kernel.org/linux-iommu/Z+X0tzxhiaupJT7b@ly-workstation
Fixes: c0e301b2978d ("iommufd/device: Add pasid_attach array to track per-PASID attach")
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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The recent STACK_FRAME_NON_STANDARD refactoring forgot about .cold
subfunctions. They must also be ignored.
Fixes the following warning:
drivers/gpu/drm/vmwgfx/vmwgfx_msg.o: warning: objtool: vmw_recv_msg.cold+0x0: unreachable instruction
Fixes: c84301d706c5 ("objtool: Ignore entire functions rather than instructions")
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/70a09ec0b0704398b2bbfb3153ce3d7cb8a381be.1743136205.git.jpoimboe@kernel.org
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Check 'prev_insn' before dereferencing it.
Fixes: bd841d6154f5 ("objtool: Fix CONFIG_UBSAN_TRAP unreachable warnings")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/5df4ff89c9e4b9e788b77b0531234ffa7ba03e9e.1743136205.git.jpoimboe@kernel.org
Closes: https://lore.kernel.org/d86b4cc6-0b97-4095-8793-a7384410b8ab@app.fastmail.com
Closes: https://lore.kernel.org/Z-V_rruKY0-36pqA@gmail.com
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It's probably not the best idea to pass a string pointer to printf()
right after confirming said pointer is NULL. Fix the typo and use
argv[i] instead.
Fixes: c5995abe1547 ("objtool: Improve error handling")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/r/a814ed8b08fb410be29498a20a5fbbb26e907ecf.1742952512.git.jpoimboe@kernel.org
Closes: https://lore.kernel.org/20250326103854.309e3c60@canb.auug.org.au
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IOMMU_HW_INFO is extended to report max_pasid_log2, hence add coverage
for it.
Link: https://patch.msgid.link/r/20250321180143.8468-6-yi.l.liu@intel.com
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Madhavan Srinivasan:
- Remove support for IBM Cell Blades
- SMP support for microwatt platform
- Support for inline static calls on PPC32
- Enable pmu selftests for power11 platform
- Enable hardware trace macro (HTM) hcall support
- Support for limited address mode capability
- Changes to RMA size from 512 MB to 768 MB to handle fadump
- Misc fixes and cleanups
Thanks to Abhishek Dubey, Amit |
